用单词的适当形式填空。

1. Don't enter the house without _____ ( knock) at the door.

2. Spaceship _____ (with) people has reached other parts of the space.

3. How _____ (be) Paul's party last night?

4. Students are not supposed _____ ( be) late for school.

FIDIC合同条件规定，承包商的一切行为都必须遵守( )所在地的一切法律和法规。

A．业主

B．承包商

C．工程

D．业主或承包商